US Bridges

North Canal ST over Seitz Run

Fair

Allegheny County, Pennsylvania · 0.5 NE of Main Street · Structure no. 000000000001378

Built
1960
65 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
3,236
2023 count
Owner
State
State Highway Agency

About this bridge

North Canal ST over Seitz Run is a concrete slab carrying North Canal ST over Seitz Run in Allegheny County, Pennsylvania. It was built in 1960, so it is 65 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,236 vehicles a day, roughly 5% of them trucks, projected to reach 6,662 by 2032. The structure is 35 ft (10.7 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Canal ST
CrossesSeitz Run
Location0.5 NE of Main Street
RouteState Highway 0
CountyAllegheny County
StatePennsylvania
Coordinates40.49937, -79.92466
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,236 (2023)
Projected traffic6,662 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$146,000
NavigationNo navigation control on waterway

Frequently asked questions

When was North Canal ST over Seitz Run built?

It was built in 1960, making it 65 years old in 2025.

What condition is North Canal ST over Seitz Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.

How much traffic does North Canal ST over Seitz Run carry?

About 3,236 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is North Canal ST over Seitz Run?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns North Canal ST over Seitz Run?

It is owned by the State Highway Agency.